Unreal Engine Issues
Unreal Engine Issues
MoverExamples: characters have 1-frame unnecessary extra input latency
UE - Runtime - Character - Mar 6, 2024Due to the way input is handled on the MoverExamplesCharacter, including AnimatedMannyPawn, we have a delay in the time between when an input event occurs and when it is ingested by the movement sim ...
image size does not appear to have any affect when a progress bar's image is set to tile
UE - Editor - UI Systems - Slate - Jun 15, 2015When trying to set the image size for the image that is tiled in a progress bar, this does not appear to have any affect. The expected result would be for it to modify the size of the image so as to ...
Differences in DistanceToNearestSurface and DistanceFieldGradient results between 4.27 and 5.0
UE - Rendering - Features - Apr 27, 2022In the UE5 case, we end up seeing very harsh lines in both the gradient and the distance to nearest surface examples whereas the results in 4.27 appear smooth. It was also interesting to observe c ...
On Drop appears to cause update issues with widgets that are affected On Drag Enter
UE - Editor - UI Systems - Jan 3, 2017On Drop appears to cause update issues with widgets that are affected On Drag Enter. In this example the widget only changes colors if a delay is placed in the On Drop function. The On Drop function ...
DOF - TAA pass ghosting when using r.DOF.TAA.CoCBilateralFilterStrength
UE - Rendering - Features - Aug 7, 2025In Unreal 5.6, there's a new CVar: r.DOF.TAA.CoCBilateralFilterStrength, which should help with ghosting artifacts introduced by TAA in DOF passes. However, it doesn't work as expected since many gh ...
Enum Compare Condition causes crash when resetting default value of right field in State Tree's Enter Conditions
UE - AI - StateTree - Feb 11, 2026In FStateTreeCompareEnumCondition::GetDescription, the Left.Enum value is mistakingly used when setting the RightValue. This causes crashes when resetting the default value of the Right field in an ...
User crashes during play/save/open project in UE 4.6.1
UE - Gameplay - Blueprint - Feb 25, 2015User reports crashing upon open, saving or playing their project in 4.6.1 in Binary. Assertion failed: TargetDelegate [Link Removed] [Line: 5407] ...
Collision on rolling ball template floor incorrectly affects player character
Docs - Samples - May 27, 2015In the rolling ball template, the new floor meshes cause the player character to jump when the player has not pressed any jump commands. It occurs more often if the players movement has been increas ...
Anim with rate scale other than 1.0 will not loop correctly in Sequencer when using an Anim Blueprint
UE - Anim - Sequencer - Sep 13, 2019Animations are looped incorrectly when using an animation blueprint and a rate scale other than 1.0 in Sequencer. ...
Shader Complexity shows checkerboard screen in Android ES 3.1 render
UE - Platform - Mobile - Systems - May 10, 2022Changing the view mode to Shader Complexity while in Android ES 3.1 preview render will show a black and grey checkerboard in the viewport. This does not happen in UE 4.27 ...